Glistening glass - 13.08.20 Materialchef

This week we have a gander at the glorious and glistening material, glass. We cook up a scientific delicacy to explain where glass comes from, how it is made and what effect temperature has on this shatteringly-shiny and sumptuous substance... Guest: Stewart Hearne, http://www.stewarthearn.com Music: Dan-O, at http://danosongs.com